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cc65/test/val/lib_common_pmemalign.c
Colin Leroy-Mira b87df9e1c6 Optimize -36 bytes out of posix_memalign
And add a unit test
2024-01-24 10:23:53 +01:00

32 lines
1.3 KiB
C

#include <errno.h>
#include <stdlib.h>
#include "unittest.h"
TEST
{
void *buf;
int r;
r = posix_memalign(&buf, 123, 1024);
ASSERT_IsTrue(r == EINVAL, "posix_memalign did not return EINVAL with wrong alignment");
ASSERT_IsTrue(buf == NULL, "posix_memalign did not set buf to NULL with wrong alignment");
r = posix_memalign(&buf, 0, 1024);
ASSERT_IsTrue(r == EINVAL, "posix_memalign did not return EINVAL with 0 alignment");
ASSERT_IsTrue(buf == NULL, "posix_memalign did not set buf to NULL with 0 alignment");
r = posix_memalign(&buf, 256, 0);
ASSERT_IsTrue(r == EINVAL, "posix_memalign did not return EINVAL with 0 size");
ASSERT_IsTrue(buf == NULL, "posix_memalign did not set buf to NULL with 0 size");
r = posix_memalign(&buf, 256, 32768U);
ASSERT_IsTrue(r == 0, "posix_memalign did not return 0 on correct call");
ASSERT_IsTrue(buf != NULL, "posix_memalign left buf set to NULL on correct call");
ASSERT_IsTrue(((unsigned int)buf & 0x00FF) == 0x00, "posix_memalign did not align memory");
r = posix_memalign(&buf, 256, 32768U);
ASSERT_IsTrue(r == ENOMEM, "posix_memalign did not return ENOMEM when no memory is available");
ASSERT_IsTrue(buf == NULL, "posix_memalign did not set buf to NULL when no memory is available");
}
ENDTEST